List : electronic, configuration
nucleons,
alpha particle,
electron,
number, nuclear, radiation, uranium,
accepted,
neutron,
From here you have to tell choose the correct answer from list only.
(i) An_
has negligible mass and unit negative charge,
(ii) A_
has a mass equal to atom of hydrogen, but has no electric charge,
(iii) The arrangement of electrons around the nucleus of an atom, is called_
(iv) The atomic_
determines the nature of an element
(v) The number of_
present within the nucleus, is the atomic weight of an clement
(vi) The process by which an element ejects_
from its nucleus spontaneously, is
called radioactivity,
(vii) A nuclei of 2 protons and 2 neutrons ejected from the nucleus of a radioactive elementis
called_
(viii) During the process of nuclear fission, an atom of_
splits with the release of energy
(ix) Nuclear fusion of hydrogen takes place in the_
(x) The number of electrons donated or_
by an atom, so as to acquire a stable electronic
configuration of the nearest noble gas, is called valency,
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